#include <stdio.h>

int main(int argc, char const *argv[])
{
    int a[3][4] = 
    {
        {0,1,2,3},
        {4,5,6,7},
        {8,9,10,11}
    };
int b[3][4] = {0,1,2,3,4,5,6,7,8,9,10,11};
//如果定义时,同时初始化,第一个[]可以不写内容
//如果第一个[]不写,必须初始化
int c[][4] = {0,1,2,3,4,5,6,7,8,9,10,11};
//没有初始化的元素赋值为0
int d[][4] = {};

    return 0;
}
